 A flash poll conducted by CNN following the presidential debate showed former President Trump soundly defeating President Biden. More from this morning's Mike Gavin. The CNN poll posted on air showed that 67% of debate watchers felt that Trump won the debate compared to 33% who believed Biden won. That's a significant change from four years ago. CNN's poll following the final 2020 presidential debate showed 53% felt Biden won compared to 39% who said Trump won.